AUDI A4 2.0 TDI Premium Plus

The A4 diesel’s always been down on power when compared to its German rivals. While the BMW 320d makes 181bhp and the Merc C 250 CDI a whopping 201bhp, the A4 made just 141bhp. Now, however, Audi’s taken steps to rectify this deficiency by launching a more powerful A4.